Noise Criteria Curves - Mitsubishi Electric MXZ-4E72VA-E1 Service Manual

NOISE CRITERIA CURVES

4
MXZ-3E54VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
MXZ-4E72VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
OUTDOOR UNIT
MICROPHONE
OBH723G
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
High Cooling 50
High Heating 53
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
High Cooling 50
High Heating 53
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
Test conditions
1m
MXZ-3E68VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
BAND CENTER FREQUENCIES, Hz
MXZ-4E83VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
BAND CENTER FREQUENCIES, Hz
Cooling :Dry-bulb temperature 35.0°C Wet-bulb temperature 24.0°C
Heating :Dry-bulb temperature
12
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
High Cooling 50
High Heating 53
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
250 500 1000 2000 4000 8000
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
High Cooling 49
High Heating
51
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
250 500 1000 2000 4000 8000
7.0°C Wet-bulb temperature 6.0°C